Kevin O'Leary: Don't wait until marriage to discuss money with your partner

"The No. 1 reason why people decouple? Financial stress," says Kevin O'Leary, host of CNBC's new show "Money Court" and O'Shares ETFs chairman. Whether it's a partner who spends extravagantly or a partner with hidden debt, money issues can come in all shapes and sizes.

Watch the video to hear O'Leary's tips on setting up a strong financial pillars to maintain a successful relationship before it's too late.

Don't miss new CNBC series Money Court featuring Kevin O'Leary Wednesdays at 10P ET.